Send Messages In Whatsapp Without Adding Contacts

To send messages in WhatsApp without adding contacts, there are few methods available there

1. Using applications

Whatsapp Direct - works in android, iphone and windows phone

Click2Chat -  GooglePlay 

2. Built-in dialer app 

Type the numbers > Select the option to send message > Choose WhatsApp in option

3. Using click to chat feature - works in phone, whatsapp web

As long as you know someone's phone number, you can create a link that open the chat

• full phone numbers in international format

https://api.whatsapp.com/send?phone=whatsappphonenumber 

Example: https://api.whatsapp.com/send?phone=15551234567 

• Pre-filled message in a chat

https://api.whatsapp.com/send?phone=whatsappphonenumber&text=urlencodedtext 

Example: https://api.whatsapp.com/send?phone=15551234567&text=I'm%20interested%20in%20your%20car%20for%20sale 

• Pre-filled message only

https://api.whatsapp.com/send?text=urlencodedtext 

Example: https://api.whatsapp.com/send?text=I'm%20inquiring%20about%20the%20apartment%20listing 

More related posts:

Why Doesn't WhatsApp Have An API  - Reddit

Integrate WhatsApp With My App - Whatsapp FAQ